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@@ -0,0 +1,148 @@
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+/*
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+ * Copyright (c) 2006-2018, RT-Thread Development Team
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+ *
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+ * SPDX-License-Identifier: Apache-2.0
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+ *
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+ * Change Logs:
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+ * Date Author Notes
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+ * 2019-05-08 yangjie the first version
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+ */
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+
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+#include "sensor_asair_aht10.h"
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+
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+#define DBG_TAG "sensor.asair.aht10"
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+#define DBG_LVL DBG_INFO
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+#include <rtdbg.h>
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+
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+#define SENSOR_TEMP_RANGE_MAX (85)
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+#define SENSOR_TEMP_RANGE_MIN (-40)
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+#define SENSOR_HUMI_RANGE_MAX (100)
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+#define SENSOR_HUMI_RANGE_MIN (0)
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+
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+static struct aht10_device *temp_humi_dev;
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+
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+static rt_err_t _aht10_init(struct rt_sensor_intf *intf)
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+{
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+ temp_humi_dev = aht10_init(intf->dev_name);
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+
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+ if (temp_humi_dev == RT_NULL)
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+ {
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+ return -RT_ERROR;
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+ }
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+
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+ return RT_EOK;
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+}
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+
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+static rt_size_t _aht10_polling_get_data(rt_sensor_t sensor, struct rt_sensor_data *data)
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+{
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+ float temperature_x10, humidity_x10;
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+
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+ if (sensor->info.type == RT_SENSOR_CLASS_TEMP)
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+ {
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+ temperature_x10 = 10 * aht10_read_temperature(temp_humi_dev);
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+ data->data.temp = (rt_int32_t)temperature_x10;
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+ data->timestamp = rt_sensor_get_ts();
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+ }
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+ else if (sensor->info.type == RT_SENSOR_CLASS_HUMI)
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+ {
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+ humidity_x10 = 10 * aht10_read_humidity(temp_humi_dev);
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+ data->data.humi = (rt_int32_t)humidity_x10;
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+ data->timestamp = rt_sensor_get_ts();
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+ }
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+ return 1;
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+}
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+
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+static rt_size_t aht10_fetch_data(struct rt_sensor_device *sensor, void *buf, rt_size_t len)
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+{
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+ RT_ASSERT(buf);
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+
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+ if (sensor->config.mode == RT_SENSOR_MODE_POLLING)
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+ {
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+ return _aht10_polling_get_data(sensor, buf);
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+ }
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+ else
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+ return 0;
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+}
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+
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+static rt_err_t aht10_control(struct rt_sensor_device *sensor, int cmd, void *args)
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+{
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+ rt_err_t result = RT_EOK;
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+
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+ return result;
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+}
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+
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+static struct rt_sensor_ops sensor_ops =
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+{
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+ aht10_fetch_data,
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+ aht10_control
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+};
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+
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+int rt_hw_aht10_init(const char *name, struct rt_sensor_config *cfg)
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+{
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+ rt_int8_t result;
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+ rt_sensor_t sensor_temp = RT_NULL, sensor_humi = RT_NULL;
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+
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+#ifdef PKG_USING_AHT10
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+
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+ /* temperature sensor register */
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+ sensor_temp = rt_calloc(1, sizeof(struct rt_sensor_device));
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+ if (sensor_temp == RT_NULL)
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+ return -1;
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+
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+ sensor_temp->info.type = RT_SENSOR_CLASS_TEMP;
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+ sensor_temp->info.vendor = RT_SENSOR_VENDOR_UNKNOWN;
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+ sensor_temp->info.model = "aht10";
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+ sensor_temp->info.unit = RT_SENSOR_UNIT_DCELSIUS;
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+ sensor_temp->info.intf_type = RT_SENSOR_INTF_I2C;
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+ sensor_temp->info.range_max = SENSOR_TEMP_RANGE_MAX;
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+ sensor_temp->info.range_min = SENSOR_TEMP_RANGE_MIN;
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+ sensor_temp->info.period_min = 5;
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+
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+ rt_memcpy(&sensor_temp->config, cfg, sizeof(struct rt_sensor_config));
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+ sensor_temp->ops = &sensor_ops;
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+
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+ result = rt_hw_sensor_register(sensor_temp, name, RT_DEVICE_FLAG_RDONLY, RT_NULL);
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+ if (result != RT_EOK)
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+ {
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+ LOG_E("device register err code: %d", result);
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+ goto __exit;
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+ }
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+
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+ /* humidity sensor register */
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+ sensor_humi = rt_calloc(1, sizeof(struct rt_sensor_device));
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+ if (sensor_humi == RT_NULL)
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+ return -1;
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+
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+ sensor_humi->info.type = RT_SENSOR_CLASS_HUMI;
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+ sensor_humi->info.vendor = RT_SENSOR_VENDOR_UNKNOWN;
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+ sensor_humi->info.model = "aht10";
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+ sensor_humi->info.unit = RT_SENSOR_UNIT_PERMILLAGE;
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+ sensor_humi->info.intf_type = RT_SENSOR_INTF_I2C;
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+ sensor_humi->info.range_max = SENSOR_HUMI_RANGE_MAX;
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+ sensor_humi->info.range_min = SENSOR_HUMI_RANGE_MIN;
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+ sensor_humi->info.period_min = 5;
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+
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+ rt_memcpy(&sensor_humi->config, cfg, sizeof(struct rt_sensor_config));
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+ sensor_humi->ops = &sensor_ops;
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+
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+ result = rt_hw_sensor_register(sensor_humi, name, RT_DEVICE_FLAG_RDONLY, RT_NULL);
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+ if (result != RT_EOK)
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+ {
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+ LOG_E("device register err code: %d", result);
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+ goto __exit;
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+ }
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+
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+#endif
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+
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+ _aht10_init(&cfg->intf);
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+ return RT_EOK;
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+
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+__exit:
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+ if (sensor_temp)
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+ rt_free(sensor_temp);
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+ if (sensor_humi)
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+ rt_free(sensor_humi);
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+ if (temp_humi_dev)
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+ aht10_deinit(temp_humi_dev);
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+ return -RT_ERROR;
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+}
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